Page:Field Notes of Junius Henderson, Notebook 2.pdf/66

 of W limb 80˚ and overturning for upper foot by creek. Benton shales here steeper than basal Niobrara. Near settling Plant (S of it) is an anticline in the Lyons and Fountain. In the center I found an outcrop thus: ((drawing in field book; caption= flat at base)). The western escarpment here is crowned by the Lykins, the Lyons forming a bench on the west slope of escarpment, the Fountain beneath it and sharply differentiated as at. The Fountain also extends up the slope of the mountain. The latter consists of mica shist, as described at yesterday, the Fountain resting upon it thus: ((drawing in field book)). There is a fine exposure west of Filter Bed and Dam. Lyons is quite thin, Fountain thick and much as at Left Hand, 150 ft. (estimated) west of drainage line upturned 15˚ on granite (shist) and about the same amount below to Lyons in escarpment. The lower half – that west